发明名称 |
Pneumatic tire having axially varying tread composition |
摘要 |
A pneumatic tire having a sulfur-cured rubber tread comprised of an axially central tread portion positioned between two tread portions of about equal size, said tread portions required to be of particular rubber compositions and physical characteristics.
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申请公布号 |
US4319620(A) |
申请公布日期 |
1982.03.16 |
申请号 |
US19800189392 |
申请日期 |
1980.09.19 |
申请人 |
THE GOODYEAR TIRE & RUBBER COMPANY |
发明人 |
KNILL, ROBERT B. |
分类号 |
B60C1/00;B60C11/18;(IPC1-7):B60C1/00;B60C11/00 |
主分类号 |
B60C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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